Service difficulty report · Scavenge Pump · Boeing 747451

Difficulty date
August 30, 2014
Submitted
September 3, 2014
Operation
Air carrier
Aircraft
N105UA
Make and model
Boeing 747451
Aircraft serial
26473
Aircraft time
82,163 hours, 9,561 cycles
Engine
Pwa PW4056
Engine time
3,200 hours, 26,038 cycles
Part
Scavenge Pump
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
E

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NUMBER 1 ENG OIL TEMP AT TAKEOFF WAS 177 DEGREES & READING 28 QTS. MAINTAINED CLIMB UP TO 4000 FT. NR 1 ENG POWER WAS REDUCED & TEMP WENT TO 180 DEGREES & FLIGHT CREW SHUTDOWN ENG. REPLACED SCAVENGE PUMP IAW AMM 79-21-04-401, OIL TEMP THERMOCOUPLE IAW AMM79-34-01-401 & NR 3 SCAVENGE FLEX TUBE. ACCOMPLISHED HIGH POWER ENG RUN & REPORTED FINDINGS.